These are essential for a humidifier. I had problems with this pink film on the humidifier. They prevent this and help keep the humidifier clean.
Split system Roda RS-AL09F / RU-AL09F
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COMFYHOME 3 IN 1 Portable Evaporative Air Cooler - 60ยฐOscillation, 12H Timer & Remote, Windowless Room AC For Bedroom Home Office
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White Senville Dual Zone Mini Split Air Conditioner Heat Pump, 28000 BTU, Alexa Compatible - SENA-30HF/D
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